Soulsaver is a P2E game ecosystem established with NFT as the parameter. P2E game Soulsaver that Soulsaver Project Team developed is a blockchain-based idle strategic simulation RPG inspired by the existing online game Ghost Online. The project team has combined idle strategic simulation genre P2E, which is optimized for P2E, to the IP of Ghost Online as the base of development of Soulsaver. With this, the team intends to develop a blockchain-based ecosystem that services popular P2E games that anyone can easily and conveniently enjoy it.